All-regional spatial detail control method for images
A space image and control method technology, which is applied to image communication, TV, color TV parts, etc., can solve the problems of wrong judgment of the surrounding parts and the inability to clearly judge the direction of the middle part, etc.
Inactive Publication Date: 2014-11-05
NOVATEK MICROELECTRONICS CORP
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However, since the entire image is controlled by a single color interpolation threshold value CIT, in order to avoid errors in the judgment of the surrounding part due to noise (when the noise is large, it will be randomly judged as vertical or horizontal in an area to form a maze pattern) However, increasing the color interpolation threshold value CIT will cause the middle part to be unable to clearly judge the direction
[0008] As mentioned above, when the known image processors perform image processing such as noise reduction control, sharpening control, color saturation control, and color interpolation control, they usually use the same detail parameters for the entire image without considering spatial factors. , so in order to take into account the corner image quality will sacrifice the image quality in the center of the image
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[0039] Please refer to Figure 5 , Figure 5 It is a schematic diagram of a full-region spatial image detail control process 50 according to an embodiment of the present invention. Such as Figure 5 As shown, the full-area spatial image detail control process 50 is used in an image processor, including the following steps:
[0040] Step 500: start.
[0041] Step 502: Adjust at least one detail parameter corresponding to each pixel during image processing according to each spatial position of each pixel in an image.
[0042] Step 504: Perform the image processing on each pixel according to the at least one detail parameter corresponding to each pixel.
[0043] Step 506: end.
[0044]According to the full-region spatial image detail control process 50, the present invention first adjusts at least one detail parameter corresponding to each pixel during image processing according to each spatial position of each pixel in an image, and then adjusts at least one detail paramete...
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The invention discloses an all-regional spatial detail control method for images, which is used in an image processor. The detail control method comprises the following steps of: adjusting at least one detail parameter corresponding to each pixel during image processing according to the spatial position of each pixel in one image; and carrying out image processing on each pixel according to the at least one detail parameter corresponding to each pixel.
Description
technical field [0001] The present invention relates to a method for controlling the details of spatial images in the whole region, in particular to an image processing method that can adjust the corresponding detail parameters according to the spatial position of each pixel image, so as to control the middle part of the image and the relatively large noise due to insufficient luminosity. A full-area spatial image detail control method that processes surrounding parts separately. Background technique [0002] In general, image sensor designs tend to be smaller, with more pixels and smaller pixels. However, when the image sensor is used with a lens, the lens shading caused by the lens blocking around the image will make the luminosity more insufficient, making the captured image noisy at the corners (lens shading is usually attenuated by a multiple function, and the signal-to-noise ratio decays with time). [0003] In this case, the known image processor usually does not co...
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IPC IPC(8): H04N5/357H04N9/04
Inventor 黄明灯徐纬
Owner NOVATEK MICROELECTRONICS CORP